Specifications
143
Sl. No Sweep Speed Line Power input Air delivery
(mm) (rpm) current (Watts) (m
3
/h)
1 230 1350 0.29 45 700
2 300 1400 0.37 82 1900
3 380 1400 0.7 150 3610
Exhaust fans for Kitchen/Bathrooms:
Sl.No Kitchen/Bathroom Recommended
size(Length x width x height) fan size(mm)
1 2.5 m x 2.5 m x 2.7 m 230
2 3.0 x 3.0 x 3.5 300
3 Area beyond this size 400
13.7 General Fault and Remedy:
Fault Causes Remedy
Noise It is due to worn out bearings
and absence of lubricating oil
or grease.
Humming or induction moise
is due to non-uniform air gap
owing to the displacement of
rotor.
The bearings must be
replaced if worn out; otherwise
lubricate with proper lubricant.
Dismantle and reassemble
properly.
Low speed It is due to defective or leaky
capacitor.
Low voltage applied.
Replace the capacitor with
one of the same value and
voltage.
Check the voltage and adjust
if possible.
Jamming of rotor It is due to misalignment. Dismantle and assemble
properly after proper
lubrication.
dangerous chemicals in them, exhaust fans can be used for comfort and safety. An exhaust fan
is especially important when people are working with things like solvents, which are not healthy
or safe to inhale. Likewise, it is important to vent fumes from paints, varnishes, and similar types
of treatments. The technical data of the fan is mentioned below.